cmake hip-rocclr as default build,change HIP_PLATFORM to amd|nvidia

Change-Id: I59d2e15b297b6ca2d5eee1a6dee642bdb01a3839


[ROCm/hip commit: d10124e1d7]

projects/hip/tests/src/hostcall/hipHostcallPrintThings.cpp

@@ -21,7 +21,7 @@ THE SOFTWARE.
 */
 
 /* HIT_START
- * BUILD: %t %s EXCLUDE_HIP_PLATFORM nvcc EXCLUDE_HIP_RUNTIME HCC EXCLUDE_HIP_COMPILER hcc
+ * BUILD: %t %s EXCLUDE_HIP_PLATFORM nvidia EXCLUDE_HIP_RUNTIME hcc EXCLUDE_HIP_COMPILER hcc
  * HIT_END
  */